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  1. 25-02-2017 #8
    Gary's Avatar
    Lives in Bournemouth, United Kingdom.
    Gary
    Last Activity: 28-02-2025 Has been a member for 9-10 years. Has a total post count of 581. Received thanks 40 times, giving thanks to others 9 times.
    by the sounds of it the driver has a common anode where the VCC (5V) is powering the opto and it is stepping when the pulse and pulled to gnd. (NPN)
    the breakout board outputs a 5V to step. (PNP)
    I think that gives you the answer to your question.
    Last edited by Gary; 25-02-2017 at 08:42 AM.
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